Blind-mating type radio frequency coaxial connector and assembling method thereof
By designing mechanical structures such as positioning mechanisms, jamming mechanisms and piston rods in blind-inserted RF coaxial connectors, the problem of cumbersome disassembly of the connector in a narrow space is solved, convenient installation and efficient disassembly are achieved, and the efficiency and stability of the connector are improved.
Patent Information
- Application Number
- CN202411892583.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-03-11
AI Technical Summary
In practical applications, the self-locking structure is more complicated in the later disassembly process, especially in the narrow space position, which is more troublesome.
A blind-plugged RF coaxial connector including connector socket, plug, core and connection core is designed and its assembly method. By setting up a mechanical structure such as a positioning mechanism, a jam mechanism and a piston rod, the guide shell is easily installed and later disassembled.
It realizes the convenient installation and efficient disassembly of blind-plugged RF coaxial connectors, which are suitable for applications in narrow spaces, improves the disassembly and assembly efficiency of connectors, and enhances the stability and sealing of connections.
Smart Images
Figure CN119602036A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of blind-plug type radio frequency coaxial connectors, in particular to a blind-plug type radio frequency coaxial connector and an assembly method thereof. Background Art
[0002] Blind-mate RF coaxial connectors are designed to provide RF testing and signal sampling in areas with limited space and extremely low visibility. This connector supports a variety of SMP, SMPM, multi-port coaxial, massive coaxial and test probe connectors from 1.60 GHz to 67 GHz, suitable for a variety of industries and applications, including test and measurement, aerospace and defense, wireless and telecommunications, and industrial and production; Blind-mate coaxial cable products enable technicians to help provide detailed measurements and precise troubleshooting in tight spaces, with a tested and durable single-button connection that can reach 10K installation cycles, very low insertion loss and excellent VSWR performance, and a rugged design. These features make blind-mate RF coaxial connectors very useful in RF and microwave applications that require fast and reliable connections; In the actual application of blind-plug type RF coaxial connectors, if the self-locking structure is cumbersome during the later disassembly process, it will be troublesome to disassemble the blind-plug type RF coaxial connector installed in a small space. Therefore, a blind-plug type RF coaxial connector and an assembly method thereof are proposed to solve the above problems. Summary of the invention
[0003] The purpose of the present invention is to provide a blind-plug type RF coaxial connector and an assembly method thereof, so as to solve the problem that in the actual application process of the blind-plug type RF coaxial connector, if the self-locking structure is more complicated during the later disassembly process, it will be more troublesome to disassemble the blind-plug type RF coaxial connector installed in a small space in the later stage.
[0004] To achieve the above object, the present invention provides the following technical solutions: A blind-plug type radio frequency coaxial connector and an assembly method thereof, comprising a connector socket, a plug, an insert and a connection core, wherein one end of the connector socket is fixedly connected to a connection shell and a connection core, the other end of the connector socket is fixedly connected to a threaded column, the connector socket is connected to a guide shell through the connection shell, the other end of the guide shell is fixedly connected to a plug, the guide shell is provided with an insert inside, a positioning mechanism is installed on the connection shell, and an annular groove is provided on the outer side of the guide shell; the connection shell comprises a shell, a hidden groove is provided on the inner side of the shell, and an arc hole is provided in the middle of the hidden groove; the positioning mechanism The structure includes a positioning ring plate, a sealing ring is fixedly connected to the inner side of the positioning ring plate, a fixing seat is fixedly connected between the sealing rings, a locking mechanism is rotatably connected to the inner side of the fixing seat, and a reset spring is fixedly connected to the side of the fixing seat; the locking mechanism includes a clamping plate, a clamping block is fixedly connected to one end of the clamping plate, a hemispherical block is fixedly connected to the other end of the clamping plate, a rubber hemisphere is provided on the symmetrical side of the hemispherical block, a connecting plate is fixedly connected in the middle of the clamping plate, a rotating shaft is fixedly connected in the middle of the connecting plate, the hemispherical block is hollow, and an air cavity is opened on one side of the hemispherical block, and a piston rod is connected to the inside of the air cavity through an internal spring.
[0005] As a further optimization of the present invention, the connecting core is arranged at the inner center of the connecting shell, and the connecting core, the connecting shell, the guide shell and the plug core are coaxial.
[0006] As a further optimization of the present invention, there are four hidden grooves and four arc-shaped holes opened inside the shell, and the hidden grooves and arc-shaped holes are distributed in a circular shape and at equal intervals inside the shell.
[0007] As a further optimization of the present invention, the arc-shaped hole corresponds to the fixing seat one by one, the middle of the fixing seat is rotatably connected to the shell through the arc-shaped hole, the reset spring is arranged inside the arc-shaped hole, and the side of the reset spring away from the fixing seat is fixedly connected to the inner wall of the arc-shaped hole.
[0008] As a further optimization of the present invention, the locking mechanism is arranged inside the hidden groove on a side away from the center point of the shell.
[0009] As a further optimization of the present invention, there are four locking mechanisms, and there is a one-to-one correspondence between the locking mechanisms and the fixing seats. The connecting plate is rotatably connected to the fixing seat via a rotating shaft, and the fixing seat is U-shaped.
[0010] As a further optimization of the present invention, the outer diameter of the guide shell is equal to the outer diameter of the shell, the edge of the guide shell away from the plug is arc-shaped, and the edge of the shell away from the connector socket is arc-shaped.
[0011] As a further optimization of the present invention, two sealing rings are provided, a fixing seat arranged in the middle of the sealing ring is fixedly connected to a positioning ring plate, and the positioning ring plate is rotatably connected to the outer side of the shell through the sealing ring.
[0012] As a further optimization of the present invention, the edge of the annular groove is arc-shaped, the edge of one end of the clamping block away from the clamping plate is arc-shaped, and arc-shaped anti-slip grooves equidistantly distributed are provided on the outer side of the positioning ring plate.
[0013] As a further optimized content of the present invention, the following steps are included: Step I: Connector socket installation: during the overall assembly of the device, the connector socket is first connected to the connection device through a threaded column; Step II: Connect the plug core to the connecting core: Insert the guide shell into the shell through the plug. During the installation process, align the guide shell with the inside of the shell. Step III: Positioning the guide housing: When the guide housing enters the interior of the housing and contacts the hemispherical block, the guide housing squeezes the hemispherical block to deform the rubber hemisphere and control the card plate to rotate around the axis. When the card plate rotates, the card block enters the annular groove to position the guide housing, thereby stably installing the guide housing inside the housing. During this process, the plug core and the connecting core are automatically aligned and connected; Step IV: Later disassembly: When the assembled connector socket and plug need to be separated later, the positioning ring plate is controlled to rotate. During the rotation of the positioning ring plate, the fixing seat is driven to rotate synchronously. During the rotation of the fixing seat, the locking mechanism is driven to rotate as a whole while compressing the reset spring. When the positioning ring plate rotates to the maximum rotation stroke, the piston rod contacts the inner wall of the hidden groove and pushes the internal spring to deform. During this process, the gas inside the hemispherical block enters the air cavity, and the hemispherical block shrinks and no longer squeezes the guide shell. At the same time, the rubber hemisphere pushes the card plate to reset, so that the card block is moved out of the ring groove, and the guide shell is directly pulled out from the shell to complete the separation.
[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, by providing a connection housing and a positioning mechanism, during the installation of the blind-plug type RF coaxial connector, the connection can be completed by directly inserting it, which is more convenient. During the later disassembly process, it is only necessary to rotate the positioning ring plate and then pull it out. It is suitable for use in a relatively narrow installation position, and can improve the efficiency of disassembly and assembly of the blind-plug type RF coaxial connector; 2. In the present invention, the locking mechanism is provided to position the guide housing at multiple angles, further improving the stability of the connection between the connector socket and the plug, and sealing rings are provided on both sides of the interior of the positioning ring plate, which can improve the sealing effect of the connection position between the positioning ring plate and the housing, thereby improving the sealing of the blind-plug type RF coaxial connector as a whole during use; 3. In the present invention, by providing the piston rod, the internal spring and the air cavity, the rotation of the positioning ring plate and the pressure change inside the air cavity can be utilized to realize the automatic control of the locking mechanism. The overall structure adopts a mechanical structure, which is relatively stable during operation and has a longer service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the connecting shell of the present invention; Figure 3 For the present invention Figure 2 Schematic diagram of the structure at A in the middle; Figure 4 It is a schematic diagram of the shell structure of the present invention; Figure 5 It is a schematic diagram of the positioning mechanism structure of the present invention; Figure 6 This is a schematic diagram of the structure of the jamming mechanism of the present invention; Figure 7 This is a schematic diagram of the internal structure of the card board of the present invention; Figure 8 It is a schematic diagram of the installation position structure of the ferrule of the present invention.
[0016] In the figure: 1. Connector socket; 2. Connecting shell; 21. Shell; 22. Hidden slot; 23. Arc hole; 3. Positioning mechanism; 31. Positioning ring plate; 32. Sealing ring; 33. Fixed seat; 34, locking mechanism; 341, clamping plate; 342, hemispherical block; 343, clamping block; 344, rubber hemispherical block; 345, connecting plate; 346, rotating shaft; 347, piston rod; 348, internal spring; 349, air cavity; 35. Return spring; 4. Plug; 5. Ring groove; 6. Guide shell; 7. Insert core; 8. Threaded column; 9. Connecting core. DETAILED DESCRIPTION
[0017] See also Figure 1-8 , the present invention provides a technical solution: A blind-plug type radio frequency coaxial connector and an assembly method thereof, comprising a connector socket 1, a plug 4, a plug core 7 and a connection core 9, wherein one end of the connector socket 1 is fixedly connected to a connection shell 2 and a connection core 9, and the other end of the connector socket 1 is fixedly connected to a threaded column 8, the connector socket 1 is connected to a guide shell 6 through the connection shell 2, the other end of the guide shell 6 is fixedly connected to the plug 4, the guide shell 6 is provided with a plug core 7 inside, a positioning mechanism 3 is installed on the connection shell 2, and an annular groove 5 is provided on the outer side of the guide shell 6; the connection shell 2 comprises a shell 21, a hidden groove 22 is provided on the inner side of the shell 21, and an arc-shaped hole 23 is provided in the middle of the hidden groove 22; the positioning mechanism 3 comprises a positioning ring plate 31, and the inner side of the positioning ring plate 31 is fixedly connected to the inner side of the positioning ring plate 31. A sealing ring 32 is fixedly connected, a fixed seat 33 is fixedly connected between the sealing rings 32, a locking mechanism 34 is rotatably connected to the inner side of the fixed seat 33, and a reset spring 35 is fixedly connected to the side of the fixed seat 33; the locking mechanism 34 includes a clamping plate 341, one end of the clamping plate 341 is fixedly connected to a clamping block 343, the other end of the clamping plate 341 is fixedly connected to a hemispherical block 342, a rubber hemisphere 344 is provided on the symmetrical side of the hemispherical block 342, a connecting plate 345 is fixedly connected in the middle of the clamping plate 341, a rotating shaft 346 is fixedly connected in the middle of the connecting plate 345, the hemispherical block 342 is hollow, and an air cavity 349 is opened on one side of the hemispherical block 342, and a piston rod 347 is connected to the inside of the air cavity 349 through an internal spring 348.
[0018] As a further technical solution of this solution, the connecting core 9 is arranged at the center of the connecting shell 2, and the connecting core 9, the connecting shell 2, the guide shell 6 and the plug core 7 are on the same axis. Through the above arrangement, the stability of the connection between the connecting machine socket 1 and the plug 4 can be improved; As a technical solution for further implementing the present invention, there are four hidden grooves 22 and four arc-shaped holes 23 provided inside the shell 21, and the hidden grooves 22 and the arc-shaped holes 23 are distributed in an annular shape and equidistantly inside the shell 21. Through the above arrangement, the stability of the overall structure of the device can be improved; As a further technical solution of the present invention, the arc hole 23 corresponds to the fixing seat 33 one by one, the middle of the fixing seat 33 is rotatably connected to the housing 21 through the arc hole 23, and the return spring 35 is arranged inside the arc hole 23, and the side of the return spring 35 away from the fixing seat 33 is fixedly connected to the inner wall of the arc hole 23. Through the above arrangement, the positioning ring plate 31 can be stably limited; As a further technical solution of this solution, the locking mechanism 34 is arranged inside the hidden groove 22 on a side away from the center point of the housing 21. Through the above arrangement, the guide housing 6 can be positioned; As a further technical solution of this solution, there are four locking mechanisms 34, and the locking mechanisms 34 correspond to the fixing seats 33 one by one. The connecting plate 345 is rotatably connected to the fixing seat 33 through the rotating shaft 346. The fixing seat 33 is U-shaped. Through the above arrangement, the stability of the positioning process of the guide housing 6 can be further improved. As a further technical solution of the present invention, the outer diameter of the guide housing 6 is equal to the outer diameter of the housing 21, the edge of the end of the guide housing 6 away from the plug 4 is arc-shaped, and the edge of the end of the housing 21 away from the connector socket 1 is arc-shaped. Through the above arrangement, the smoothness of the connection process between the guide housing 6 and the housing 21 can be improved; As a further technical solution of this scheme, two sealing rings 32 are provided, and a fixing seat 33 arranged in the middle of the sealing ring 32 is fixedly connected to the positioning ring plate 31, and the positioning ring plate 31 is rotatably connected to the outer side of the housing 21 through the sealing ring 32. Through the above arrangement, the sealing performance of the connection between the housing 21 and the positioning ring plate 31 can be improved; As a further technical solution for the implementation of this scheme, the edge of the annular groove 5 is arc-shaped, the edge of the end of the clamping block 343 away from the clamping plate 341 is arc-shaped, and arc-shaped anti-slip grooves equidistantly distributed on the outer side of the positioning ring plate 31 are provided. Through the above arrangement, the smoothness of the connection process between the guide housing 6 and the clamping block 343 can be improved; As a technical solution for further implementation of this solution, the following steps are included: Step I: Installation of the connector socket 1: During the overall assembly of the device, the connector socket 1 is first connected to the connection device through the threaded column 8; Step II: Connecting the insert core 7 to the connecting core 9: Insert the guide housing 6 into the housing 21 through the plug 4. During the installation process, the guide housing 6 is aligned with the inside of the housing 21. Step III: Positioning the guide housing 6: When the guide housing 6 enters the housing 21 and contacts the hemispherical block 342, the guide housing 6 squeezes the hemispherical block 342 to deform the rubber hemispherical block 344 and controls the clamping plate 341 to rotate around the rotating shaft 346. When the clamping plate 341 rotates, the clamping block 343 enters the annular groove 5 to position the guide housing 6, so that the guide housing 6 is stably installed in the housing 21. In this process, the plug core 7 and the connecting core 9 are automatically aligned and connected. Step IV: Later disassembly: When the assembled connector socket 1 and plug 4 need to be separated later, the positioning ring plate 31 is controlled to rotate. During the rotation of the positioning ring plate 31, the fixing seat 33 is driven to rotate synchronously. During the rotation of the fixing seat 33, the locking mechanism 34 is driven to rotate as a whole while compressing the reset spring 35. When the positioning ring plate 31 rotates to the maximum rotation stroke, the piston rod 347 contacts the inner wall of the hidden groove 22 and pushes the internal spring 348 to deform. During this process, the internal gas of the hemispherical block 342 enters the air cavity 349, and the hemispherical block 342 shrinks and no longer squeezes the guide shell 6. At the same time, the rubber hemisphere 344 pushes the card plate 341 to reset, so that the card block 343 is moved out of the ring groove 5, and the guide shell 6 is directly pulled out from the shell 21 to complete the separation.
[0019] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.
Claims
1. A blind-mating type radio frequency coaxial connector, comprising a connector socket (1), a plug (4), a plug core (7) and a connecting core (9), characterized in that: One end of the connector socket (1) is fixedly connected to a connection housing (2) and a connection core (9), and the other end of the connector socket (1) is fixedly connected to a threaded column (8). The connector socket (1) is connected to a guide housing (6) via the connection housing (2), and the other end of the guide housing (6) is fixedly connected to a plug (4). A plug core (7) is provided inside the guide housing (6). A positioning mechanism (3) is installed on the connection housing (2), and an annular groove (5) is provided on the outside of the guide housing (6); The connecting shell (2) comprises a shell (21), a hidden groove (22) is provided on the inner side of the shell (21), and an arc-shaped hole (23) is provided in the middle of the hidden groove (22); The positioning mechanism (3) comprises a positioning ring plate (31), a sealing ring (32) is fixedly connected to the inner side of the positioning ring plate (31), a fixing seat (33) is fixedly connected between the sealing rings (32), a locking mechanism (34) is rotatably connected to the inner side of the fixing seat (33), and a return spring (35) is fixedly connected to the side of the fixing seat (33); The locking mechanism (34) comprises a clamping plate (341), one end of the clamping plate (341) is fixedly connected to a clamping block (343), the other end of the clamping plate (341) is fixedly connected to a hemispherical block (342), a rubber hemisphere (344) is provided on a symmetrical side of the hemispherical block (342), a connecting plate (345) is fixedly connected in the middle of the clamping plate (341), a rotating shaft (346) is fixedly connected in the middle of the connecting plate (345), the hemispherical block (342) is hollow, and an air cavity (349) is provided on one side of the hemispherical block (342), and the interior of the air cavity (349) is connected to a piston rod (347) via an internal spring (348).
2. A blind-mate radio frequency coaxial connector according to claim 1, characterized in that: The connecting core (9) is arranged at the center of the interior of the connecting shell (2); the connecting core (9), the connecting shell (2), the guide shell (6) and the plug core (7) are coaxial.
3. The blind-mate radio frequency coaxial connector according to claim 1, characterized in that: Four hidden grooves (22) and four arc-shaped holes (23) are provided inside the shell (21), and the hidden grooves (22) and the arc-shaped holes (23) are distributed in an annular shape and at equal intervals inside the shell (21).
4. The blind-mate radio frequency coaxial connector according to claim 1, characterized in that: The arc-shaped hole (23) and the fixing seat (33) correspond one to one. The middle of the fixing seat (33) is rotatably connected to the housing (21) via the arc-shaped hole (23). The return spring (35) is arranged inside the arc-shaped hole (23). The side of the return spring (35) away from the fixing seat (33) is fixedly connected to the inner wall of the arc-shaped hole (23).
5. The blind-mate radio frequency coaxial connector according to claim 1, characterized in that: The locking mechanism (34) is arranged inside the hidden groove (22) on a side away from the center point of the housing (21).
6. The blind-mate radio frequency coaxial connector according to claim 1, characterized in that: Four locking mechanisms (34) are provided, and there is a one-to-one correspondence between the locking mechanisms (34) and the fixing seats (33). The connecting plate (345) is rotatably connected to the fixing seat (33) via a rotating shaft (346), and the fixing seat (33) is U-shaped.
7. The blind-mate radio frequency coaxial connector according to claim 1, characterized in that: The outer diameter of the guide shell (6) is equal to the outer diameter of the shell (21); the edge of one end of the guide shell (6) away from the plug (4) is arc-shaped; and the edge of one end of the shell (21) away from the connector socket (1) is arc-shaped.
8. The blind-mate radio frequency coaxial connector according to claim 1, characterized in that: Two sealing rings (32) are provided, and a fixed seat (33) arranged in the middle of the sealing ring (32) is fixedly connected to the positioning ring plate (31), and the positioning ring plate (31) is rotatably connected to the outside of the housing (21) through the sealing ring (32).
9. The blind-mate radio frequency coaxial connector according to claim 1, characterized in that: The edge of the annular groove (5) is arc-shaped, the edge of one end of the clamping block (343) away from the clamping plate (341) is arc-shaped, and arc-shaped anti-slip grooves equidistantly distributed are provided on the outer side of the positioning ring plate (31).
10. An assembly method of a blind-mate radio frequency coaxial connector according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: Step I: installing the connector socket (1): during the overall assembly of the device, firstly, the connector socket (1) is connected to the connection device via a threaded column (8); Step II: Connecting the plug core (7) to the connecting core (9): inserting the guide housing (6) into the housing (21) through the plug (4). During the installation process, the guide housing (6) is aligned with the inside of the housing (21); Step III: Positioning the guide housing (6): When the guide housing (6) enters the interior of the housing (21) and contacts the hemispherical block (342), the guide housing (6) squeezes the hemispherical block (342), causing the rubber hemispherical block (344) to deform and controlling the card plate (341) to rotate around the rotation axis (346). When the card plate (341) rotates, the card block (343) enters the annular groove (5) to position the guide housing (6), thereby allowing the guide housing (6) to be stably installed in the interior of the housing (21). During this process, the plug core (7) and the connecting core (9) are automatically aligned and connected; Step IV: Later disassembly: When the assembled connector socket (1) and plug (4) need to be separated later, the positioning ring plate (31) is controlled to rotate. During the rotation of the positioning ring plate (31), the fixing seat (33) is driven to rotate synchronously. During the rotation of the fixing seat (33), the locking mechanism (34) is driven to rotate as a whole and compress the reset spring (35). When the positioning ring plate (31) rotates to the maximum rotation stroke, the piston rod (347) contacts the inner wall of the hidden groove (22) and pushes the internal spring (348) to deform. During this process, the internal gas of the hemispherical block (342) enters the air cavity (349), and the hemispherical block (342) shrinks and no longer squeezes the guide shell (6). At the same time, the rubber hemisphere (344) pushes the card plate (341) to reset, so that the card block (343) is moved out of the ring groove (5), and the guide shell (6) is directly pulled out from the shell (21) to complete the separation.